JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Please retry logged in using this link instead http://www.jotform.com/login
In case you need to update/change your login password, you can use the 'Forgot Password' link in the login page. The password reset instruction will be sent to your account email.
May I also inquire how you tried to login to JotForm V2?